body
{
    margin: 50px ;
}
li {
    text-decoration: none;
    list-style: none;
}
TD span
{
    display: block;
    background-color: #FFFFFF;
    height: 16px;
    border: solid 2px #000000;
    margin: 5px;
}
.ui-state-default
{
    border: solid 2px #000000 !important;
    background-color: #000000;
    margin: 5px;
}
#tablaPregunta10
{
    border: solid 2px #000000 !important;
}